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The factors that cause hard disk problems include the following:
Environmental conditions: The maximum operating temperature of a monitoring system cannot exceed 50°C, but it always encounters special conditions, such as simultaneous disposal of multi-channel monitoring data, a relatively hot outdoor environment or complex system construction, and unfavorable heat dissipation of the device itself. All of these may cause excessive temperature or too low temperature, resulting in the system not functioning properly.
Attachment design: The unused hard disk manufacturers, DVR vendors, NVR vendors, or disk array vendors have different design configurations. They only need to touch the center where the hard disk can be used, and too trivial in the attachment design can also cause problems. 
Hard disk age and type: Any hard disk has a useful life, not to mention 24/7 non-stop monitoring hard disk, but also to read and write data quickly. It's hard to show some problems if the damage is accumulating.
Many deployment monitoring experiences have informed us that adverse conditions, including vibration, shock, or high temperatures, can adversely affect hard drives. First of all, it is necessary to work hard under the hard disk enclosure, from the device design to the cooling method to be clear. Independent DVR applications and fully-monitored disk arrays have greater stability and are suitable for use in specific environments.
Supervisors should use existing data to maintain the robustness of the utility's progressive storage and complete storage redundancy at the right time. After evaluating the vibration and impact of the storage system, choose a suitable maintenance shell and meet the special needs to choose integrated intelligent products. Completion of storage redundancy can prevent outbreaks, and redundancy determines the key to video content. With regard to a small monitoring system, it is possible to perform redundant backup of low-cost data. IP-SAN provides assistance for large-scale monitoring and deployment of redundant storage.
Some new monitoring hard disks support automatic encryption and data wipe functions in order to protect sensitive data from being copied by the outside world. These applications help to extend the service life of hard disks. The seemingly inconspicuous DVR plays an important role. The monitoring hard drive also plays an instinct in monitoring storage. In order to prevent loss of data due to hard disk diseases, it is necessary to understand the possibility of causing hard disk problems. Take special care in the application.
When people request higher and higher image quality, storage pressure also increases. In addition to high cost monitoring hard disk prices, hard disk life has become a concern for everyone. It has been suggested that SSD monitoring hard disk is very reliable in the continuous reading and writing of data. The important video content of Jane is recorded in the DVR, which is far more important than any high-end surveillance technology. Therefore, management personnel must know how to maintain the hard disk and reduce the risk of monitoring only non-recording.